Uptime.h (909B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_Uptime_h 8 #define mozilla_Uptime_h 9 10 #include <stdint.h> 11 12 #include "mozilla/Maybe.h" 13 14 namespace mozilla { 15 16 // Called at the beginning of the process from TimeStamp::Startup. 17 MFBT_API void InitializeUptime(); 18 // Returns the number of milliseconds the calling process has lived for. 19 MFBT_API Maybe<uint64_t> ProcessUptimeMs(); 20 // Returns the number of milliseconds the calling process has lived for, 21 // excluding the time period the system was suspended. 22 MFBT_API Maybe<uint64_t> ProcessUptimeExcludingSuspendMs(); 23 24 }; // namespace mozilla 25 26 #endif // mozilla_Uptime_h